| Hans-Günter Meyer-Thompson | Impfungen
CDC: Immunocompromised May Need Fourth COVID Shot
CDC: Immunocompromised May Need Fourth COVID Shot
Some people with moderately or severely compromised immune systems may need a fourth dose of mRNA COVID-19 vaccine six months after a third shot, the U.S. Centers for Disease Control and Protection said this week in updated guidance. Medscape, USA, 29.10.2021)